Not sure about 5 holes, but 5 whole ones and a half is 11/2
Half a hole is still a hole, so the answer is five!
Half a hole cannot be dug as it will always be a hole. However, to dig a hole half the size of the ones dug, It takes one woman one day to dig half a hole.
2
All the ones who have not made one. Count the number who have made at least one hole in one, and then subtract that by the total number of people in the population of golf players.
112 224 336 448
That depends on which hole. Shorter holes will have more common hole in ones than long ones. In general, still very rare.
Art Wall Jr. had 44 hole in ones in PGA Play.
Since there is no ozone hole at either pole about half the year, the answer is "Zero". Beyond this, we have only ~20 years worth of data, new and improved methods of determining the size of the hole, and shifting definitions of what is an "ozone hole". But for the most part, the smallest holes were the oldest recorded ones.
The idea is to divide 10 by (1/2). Half is the same as 0.5. if you divide 10 by 0.5 on a calculator, you get 20
16th Hole At TPC Scottsdale
None
Half of all square numbers are odd. They are the ones which are the square of an odd number.